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From "Vazhenin, Maksim" <Maksim.Vazhe...@dell.com>
Subject rolling upgrade with wiped disk
Date Fri, 21 Oct 2016 08:11:26 GMT

Is this a supported scenario for doing rolling upgrade of zookeeper (v3.4.5) to later version
(say v3.4.9):

1. Shutdown server A (v3.4.5)
2. Wipe disk with zookeeper data on server A
3. Start server A with new zk version (v3.4.9)
4. Wait till reconstruction complete on server A (what is the indicator for completion?)
5. Go to server B and repeat 1-4.

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